package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.entity.SetmealDish;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * @ClassName $ {NAME}
 * @Description 套餐管理
 * @Author 寇铭
 * @Date 2022/6/14 19:34
 * @Version 1.0
 **/
@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;

    /*
    新增套餐
     */
    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto) {
        log.info("套餐信息：{}", setmealDto);
        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功");
    }

    /**
     * 套餐分页查询
     *
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {
        //分页构造器对象
        Page<Setmeal> pageInfo = new Page<>(page, pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        queryWrapper.like(name != null, Setmeal::getName, name);
        //添加排序条件，根据更新时间降序排列
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo, queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo, dtoPage, "records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map(item -> {

            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item, setmealDto);
            //分类Id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);

            if (category != null) {
                //分类名词
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());
        dtoPage.setRecords(list);

        return R.success(dtoPage);

    }

    /**
     * 删除套餐
     *
     * @param ids
     * @return
     */
    @DeleteMapping
    public R<String> delete(@RequestBody List<Long> ids) {
        log.info("ids{}", ids);
        setmealService.removeWithDish(ids);
        return R.success("套餐数据删除成功");
    }

    /**
     * 根据条件查询套餐数据
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }


    /**
     * 修改套餐状态
     */
    @PostMapping("/status/{status}")
    public R<String> updateStatus(@PathVariable int status, Long[] ids) {
        log.info("修改套餐状态：{}", ids.toString());
        setmealService.updateStatusByIds(status,ids);
        return R.success("套餐状态修改成功");
    }

    /*
    回显套餐信息
     */
    @GetMapping("/{id}")
    public R<SetmealDto> getById(@PathVariable Long id) {
        //根据套餐id，从套餐表查询套餐信息
        Setmeal setmeal = setmealService.getById(id);
        SetmealDto setmealDto = new SetmealDto();
        //将查出来的套餐信息拷贝给dto
        BeanUtils.copyProperties(setmeal, setmealDto);
        //根据套餐id在套餐菜品表查询菜品信息
        LambdaQueryWrapper<SetmealDish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(SetmealDish::getSetmealId, id);
        List<SetmealDish> setmealDishes = setmealDishService.list(queryWrapper);
        //将查出的菜品信息给dto
        setmealDto.setSetmealDishes(setmealDishes);
        //返回dto
        return R.success(setmealDto);

    }

    /*
    修改套餐信息
     */
    @PutMapping
    public R<String> update(@RequestBody SetmealDto setmealDto) {
        log.info("修改套餐信息：{}", setmealDto);
        setmealService.updateSetmeal(setmealDto);
        return R.success("套餐信息修改成功");
    }



}